<!DOCTYPE html>
<html lang="en">
<head>
    <title>登录</title>
    <style>

        html{
        background-image:url(img/4.jpg);
            background-repeat: no-repeat;
            background-size: 100%;
        }
        #xi{
            width: 400px;
            height:300px;
            
            margin: auto;
            margin-top: 200px;
            border-radius:40px;

        }
        #xi h3{
            font-size: 25px;
            text-align: center;
            color: blue;
            line-height: 60px;
            border-bottom: 1px solid red;
        }
        #xi span{
            margin-left: 50px;
            font-family: "宋体";
            font-size: 25px;
            
        }
        #xi input{
            width: 150px;
            height: 30px;
            margin: 5px;
        }
        .xing{
            text-align: center;
            position: absolute;
            bottom: 10%;
        }
    </style>
</head>
<body>
<div id="xi">
    <h3>用户登录</h3>
    <span><strong>账户：</strong></span>
    <input type="text" placeholder="请输入您的账号" required ><br>
    <span><strong>密码：</strong></span>
    <input type="password" placeholder="请输入密码">
    <input type="button" value="立即登录"style="margin-left:10px;">
    <a href="注册.html"><input type="button" value="注册"style="margin-left:10px;"></a>

</div>
</body>
</html>